Tsunamis BP Review

The term ‘tidal wave' is a misnomer, since tsunamis have nothing to do with tides. In the previous sentence, what does ‘misnomer' mean?

• An inappropriate name

• A Japanese word

• An outright lie

• A spelling error

What are the "plates" that meet in subductive zones?

• Collections of debris from the ocean floor

• Huge slabs of concrete

• Chunks of lava from volcanoes

• Pieces of the earth's crust

Place the following events in sequence: A) A tsunami occurs; B) A segment of the ocean floor is pushed upward; C) Pressure begins building in a subductive zone

• A,C,B

• C,B,A

• B,C,A

• B,A,C

If you were on a boat in the open ocean, why might it be difficult to detect a tsunami?

• Gravity flattens out the enormous waves caused by undersea earthquakes

• Tsunamis are caused by the natural cycle of tides

• Tsunamis occur in seas and lakes, not oceans

• Boats usually float on large waves

How do tsunami waves compare to regular ocean waves?

• They're generally much flatter.

• They're generally much wider.

• They extend deeper underneath the water's surface.

• They contain much more debris.

Which choice illustrates the two Japanese words that form the word "tsunami?"

• 
• 
• 
• 

How are tsunami waves like electromagnetic waves?

• They are caused primarily by earthquakes

• They can usually only travel through water

• They can travel long distances and carry lots of energy

• They travel along at exactly the speed of sound

Where would you find a subduction zone?

• At the boundary between Asia and Europe

• In the middle of the ocean, far away from the continents

• Off the coast of a continent

• Near the North or South Pole

Tsunamis can be detected ahead of time by devices that measure:

• The height of ocean waves

• The destructiveness of natural disasters

• Underwater energy

• Seismic activity

Which of the following is an opinion about tsunamis?

• The 2004 tsunami caused millions of dollars in damages.

• The 2004 tsunami was the worst natural disaster of this century.

• The 2004 tsunami was caused by a very large earthquake.

• The 2004 tsunami destroyed several coastal areas on the Indian Ocean.